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danblu's picture

Independent assortment question

Submitted by danblu (guest) on Tue, 06/13/2017 - 4:24pm.

This is great! Thanks for sharing this.

I noticed a minor issue with the question about independent assortment:

"The law of independent assortment describes the inheritance of genes on different chromosomes and the behavior of chromosomes during..."
The choices are meiosis I, meiosis II, mitosis or all of the above.

I would argue that the answer is meiosis 1 and meiosis 2. I think most people would say that independent assortment occurs among homologous pairs of chromosomes during meiosis 1. However, due to crossing over in meiosis 1, we see sister chromatids that are no longer identical. These sister chromatids can 'independently' assort during meiosis 2 depending on their alignment on the metaphase plate before cell division.

I edited this question to have the students select all the correct responses and I removed the 'all of the above' option.

Let me know if you agree or disagree!

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